/*
	Easyui1.4.2
	Create time:2015-11-02  Author:duolaaqian
	
	$("#fs").lqfieldset({
		title:'个人信息',				//标题显示文字
		collapsible:true,				//是否可伸缩
		collapsed:false,				//初始化状态 是否为收起状态
		checkboxToggle:false,			//伸缩按钮是否为checkbox
		onBeforeCollapse:function(){	//收起之前调用该方法，返回false则取消收起
		},
		onCollapse:function(){			//收起之后调用该方法
		},
		onBeforeExpand:function(){		//展开之前调用该方法，返回false则取消展开
		},
		onExpand:function(){			//展开之后调用该方法
		}
	});
	
	$("#fs").lqfieldset('collapse');	//收起组件
	$("#fs").lqfieldset('expand');		//展开组件
*/
;(function ($) {
	//添加自定义方法
	function initFieldSet(thisObj){
		initDom(thisObj);
		refreshFront(thisObj);
	};
	function initDom(thisObj){
		var thisData = $.data(thisObj, "lqfieldset");
		var thisOptions = thisData.options;
		var innerDom = $(thisObj).wrap("<fieldset class='lq-fieldset'></fieldset>");
		innerDom.wrap('<div class="lq-fieldset-wrapmain" ></div>');
		innerDom = innerDom.parent('div.lq-fieldset-wrapmain');
		if(thisOptions.title||thisOptions.collapsible){
			var fieldSetDom = innerDom.parent('fieldset');
			thisOptions.fieldSetDom = fieldSetDom;
			var checkboxToggle = thisOptions.checkboxToggle;
			if(checkboxToggle){
				innerDom = innerDom.before("<legend class='lq-fieldset-legend'>"
						+'<input type="checkbox" />'
						+'<span>'+thisOptions.title+"</span></legend>");
				var dd = fieldSetDom.find('input[type=checkbox]');
				dd.unbind('.lqfieldset').bind('change.lqfieldset',function(){
					var checked = $(this).prop("checked");
					if(checked){
						doExpand(thisObj);
					}else{
						doCollapse(thisObj);
					}
				});
			}else{
				innerDom = innerDom.before("<legend class='lq-fieldset-legend'>"
						+'<a href="javascript:void(0)" class="lq-fieldset-legend-icon"></a>'
						+'<span>'+thisOptions.title+"</span></legend>");
				var dd = fieldSetDom.find('a.lq-fieldset-legend-icon');
				dd.unbind('.lqfieldset').bind('click.lqfieldset',function(){
					var collapsed = thisOptions.collapsed;
					if(collapsed){
						doExpand(thisObj);
					}else{
						doCollapse(thisObj);
					}
				}).bind('mouseover',function(){
					dd.removeClass("mouseout").addClass("mouseover");
				}).bind('mouseout',function(){
					dd.removeClass("mouseover").addClass("mouseout");
				});
			}
			if(!thisOptions.collapsible){
				fieldSetDom.find('.lq-fieldset-legend a').remove();
				fieldSetDom.find('.lq-fieldset-legend input[type=checkbox]').remove();
			}
		}
		diLimitSize(thisObj,innerDom);
	};
	function refreshFront(thisObj){
		var thisData = $.data(thisObj, "lqfieldset");
		var thisOptions = thisData.options;
		var collapsed = thisOptions.collapsed;
		if(collapsed){
			doCollapse(thisObj);
		}else{
			doExpand(thisObj);
		}
	};
	//收缩
	function doCollapse(thisObj){
		var thisData = $.data(thisObj, "lqfieldset");
		var thisOptions = thisData.options;
		if(thisOptions.onBeforeCollapse.call(thisObj) == false){
			return;
		}
		var fieldSetDom = thisOptions.fieldSetDom;
		thisOptions.collapsed = true;
		fieldSetDom.removeClass('expand').addClass('collapse');
		fieldSetDom.find('input[type=checkbox]').prop('checked',false);
		thisOptions.onCollapse.call(thisObj);
	};
	//展开
	function doExpand(thisObj){
		var thisData = $.data(thisObj, "lqfieldset");
		var thisOptions = thisData.options;
		if(thisOptions.onBeforeExpand.call(thisObj) == false){
			return;
		}
		var fieldSetDom = thisOptions.fieldSetDom;
		thisOptions.collapsed = false;
		fieldSetDom.removeClass('collapse').addClass('expand');
		fieldSetDom.find('input[type=checkbox]').prop('checked',true);
		thisOptions.onExpand.call(thisObj);
	};
	function diLimitSize(thisObj,innerDom){
		var thisData = $.data(thisObj, "lqfieldset");
		var thisOptions = thisData.options;
		var innerHeight = innerDom.height();
		var maxHeight = thisOptions.maxHeight;
		var minHeight = thisOptions.minHeight;
		if( maxHeight && $.isNumeric(maxHeight) ){
			if(innerHeight>maxHeight){
				innerDom.height(maxHeight);
			}
		}
		if( minHeight && $.isNumeric(minHeight) ){
			if(innerHeight<minHeight){
				innerDom.height(minHeight);
			}
		}
		var innerWidth = innerDom.width();
		var maxWidth = thisOptions.maxWidth;
		var minWidth = thisOptions.minWidth;
		if(maxWidth&&$.isNumeric(maxWidth)){
			if(innerWidth>maxWidth){
				innerDom.width(maxWidth);
			}
		}
		if(minWidth&&$.isNumeric(minWidth)){
			if(innerWidth<minWidth){
				innerDom.width(minWidth);
			}
		}
	};

	//初始化组件的时候调用此方法
    $.fn.lqfieldset = function(param1,param2){
		if (typeof param1 == "string") {
			return $.fn.lqfieldset.methods[param1](this, param2);
		}
		param1 = param1 || {};
		return this.each(function() {
			var thisData = $.data(this, "lqfieldset");
			if (thisData) {
				$.extend(thisData.options, param1);
			} else {
				thisData = $.data(this, "lqfieldset", {
					options : $.extend( {}, $.fn.lqfieldset.defaults, param1)
				});
				initFieldSet(this);//自定义方法
			}
		});
    };
	//定义默认属性，初始化的时候可调用
	$.fn.lqfieldset.defaults = {
		title:"",
		maxHeight:null,
		collapsible: true,//是否可缩放
		collapsed: true,//初始状态是否缩放
		checkboxToggle: false,//缩放按钮是否显示为checkbox
		onBeforeCollapse:function(){
		},
		onCollapse:function(){
		},
		onBeforeExpand:function(){
		},
		onExpand:function(){
		}
	}
	//支持的方法
	$.fn.lqfieldset.methods = {
		lqfieldset:function(){
			alert("lqfieldset!");
		},
		options: function(thisObj) {
			var thisOptions = $.data(thisObj[0], "lqfieldset").options;
			return thisOptions;
		},
		collapse:function(thisObj){
			thisObj.each(function(){
				doCollapse(this);
			});
		},
		expand :function(thisObj){
			thisObj.each(function(){
				doExpand(this);
			});
		}
	}
})(jQuery);